Medulla spinalis
[医] 脊髓
🧩 词语组成解析
medulla
[mi'dʌlə]
n. （拉丁语）骨髓;
棘肌
🗣️ 情景例句
Mr. Levine, Susan Stewart.
Levine先生， 我是Susan Stewart。
Yes, I worked from early morning until late at night.
是,我从清早工作直到半夜。
The Great St.Bernard Pass connects Switzerland to Italy.
圣伯纳德大山口连接着瑞士与意大利，